Home / 269,136,490.48-371,408,506.16-145,377,168.28

Finding the Fourth Proportional to 269,136,490.48, 371,408,506.16 and 145,377,168.28

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Solution

The fourth proportional to 269,136,490.48, 371,408,506.16 and 145,377,168.28 is: 200,620,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,490.48 : 371,408,506.16 = 145,377,168.28 : x
  2. Step 2: Convert to fraction form
    269,136,490.48/371,408,506.16 = 145,377,168.28/x
  3. Step 3: Cross multiply
    269,136,490.48x = 371,408,506.16 × 145,377,168.28
  4. Step 4: Simplify right side
    269,136,490.48x = 53,994,316,900,645,744
  5. Step 5: Solve for x
    x = 53,994,316,900,645,744/269,136,490.48
  6. Step 6: Final answer
    x = 200,620,572.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.